Dtc P0201 Injector 1 Output Circuit Fault - Daewoo CIELO EURO III Manual

1F – 201 ENGINE CONTROLS
Step
Perform an On-Board Diagnostic (EOBD) System
Check.
1
Is the system check complete?
Will the engine start?
2
1. Install a scan tool and clear the Diagnostic
Trouble Codes (DTCs).
3
2. Idle the engine for one minute.
Does DTC P0201 reset?
1. Review the Freeze Frame data with the ignition
ON and the engine OFF and note the
parameters.
4
2. Operate the vehicle within the Freeze Frame
conditions as noted.
Does DTC P0201 reset?
1. Turn the ignition OFF.
2. Disconnect the
engine control module (ECM) connector
(white) for injector 1.
5
3. Turn the ignition ON, with the engine OFF.
4. With a test light connected to ground, probe the
driver circuit, terminal M25.
Does the test light illuminate?
Repair the short to ground or open in the injector
driver circuit.
6
Is the action complete?
1. Disconnect the injector 1 wiring connection.
2. With a test light connected to ground, probe the
7
driver circuit, terminal 2.
Does the test light illuminate?
Repair the short to voltage in the injector driver
8 circuit.
Is the repair complete?
1. Turn the ignition OFF.
9 2. Replace the ECM.
Is the action complete?
1. Using the scan tool, clear the DTCs.
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
10
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic ran
and passed?
Check if any additional DTCs are set.
11
Are any DTCs displayed that have not been diag-
nosed?

DTC P0201 Injector 1 Output Circuit Fault

Action Value Yes
–
Go to Step 2
–
Go to Step 3
–
Go to Step 5
–
Go to Step 5
–
Go to Step 7
–
Go to Step 10
–
Go to Step 8
–
Go to Step 10
–
Go to Step 10
–
Go to Step 11
– Go to applicable
DTC table
No
Go to "On-
Board Diag-
nostic System
Check"
Go to "Engine
Cranks But
Will Not Run"
Go to Step 4
Go to "Diag-
nostic Aids"
Go to Step 6
–
Go to Step 9
–
–
Go to Step 3
System OK
DAEWOO T-154 BL2,3